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Chapter 9 Pinout reference 103

DB-25F to DB-25M modem cable

From

DB-

Signal Direction Signal To DB-25

8 DCD DCD 8

3 RxD

RxD 3

2 TxD

TxD 2

20 DTR

DTR 20

7SG

SG 7

6 DSR

DSR 6

4 RTS

RTS 4

5 CTS

CTS 5

22 RI

RI 22

Shell GND

GND Shell

* Arrows indicate which direction the signal is flowing

NOTES:

●

Altpin should be turned off when using this cable.

●

This cable utilizes the CTS signal of the modem for hardware flow control (RTS/CTS).

●

EIA-232 cables cannot exceed 2500pF.

1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 147 148

90000253_G 1
Table of Contents 3
4 Contents 4
Contents 5 5
6 Contents 6
Contents 7 7
Environmental requirements 8
Data rate information 8
EIA-232: DB-25 to DB-25 10
EIA-232: RJ-45 to DB-25 15
EIA-232: RJ-45 to DB-25 24
Interface signaling 26
Grounding requirements 26
Interface signaling 30
Termination information 30
RS 232/422/ 485 wiring 32
DataFire® 2000 sync adapter 33
Recommendations 34
X.21 pinouts 35
V.35 pinouts 35
EIA-232/V.28 pinouts 36
EIA-530/422 pinouts 37
Pinout reference 38
Cable wall mount options 39
*To order Digi Cable or 40
*Labeled on Cable or 40
Specifications: 46
Cable Parameters (OFNR, OFNP) 46
Loopback connector pinouts 47
76000451 56
Cable vendors 78
Table 1: DB-9 connector 82
Table 2: Terminal Block 82
Digi One SP DB-9 pinout 83
Async EIA-422 DB-25 pinout 85
DB-9F to DB-9M modem cable 95
DB-9F to DB-25M modem cable 96
DB-25F to DB-9M modem cable 97
DB-25F to DB-25M modem cable 98
Pinout reference 101
V.35 to DB-25M cabling 122
V.35 pinout 123
31 RTS9 P9-4 65 RTS10 P10-4 128
32 RI9 P9-22 66 RI10 P10-22 128
33 CTS9 P9-5 67 CTS10 P10-5 128
34 RXD9 P9-3 68 RXD10 P10-3 128

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